* {
  margin: 0;
  padding: 0;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  box-sizing: border-box;
}
a {
  color: #333;
  text-decoration: none;
}
.container {
  overflow: hidden;
  position: relative;
  margin: 100px auto;
  width: 320px;
  height: 480px;
  background: url(../img/game_bg.jpg) no-repeat 0 0;
}
.container .score {
  margin-left: 65px;
  height: 44px;
  line-height: 44px;
  color: #fff;
}
.container .wolf {
  cursor: pointer;
}
.progress {
  position: absolute;
  top: 66px;
  left: 63px;
  width: 180px;
  height: 16px;
  background: url(../img/progress.png) no-repeat 0 0;
}
.play {
  position: absolute;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  width: 150px;
  height: 40px;
  line-height: 35px;
  font-size: 25px;
  border: 0;
  color: #fff;
  background: linear-gradient(#e55c3d, #c50000);
  border-radius: 20px;
  cursor: pointer;
}
.rule {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 30px;
  line-height: 30px;
  text-align: center;
  color: #757575;
  background-color: #ccc;
  cursor: pointer;
}
.rule:hover {
  color: #333;
}
.info {
  display: none;
  position: absolute;
  z-index: 888;
  top: 0;
  padding-top: 100px;
  padding-left: 50px;
  width: 100%;
  height: 100%;
  line-height: 40px;
  font-size: 22px;
  color: #fff;
  background-color: rgba(0, 0, 0, 0.6);
  transition: top 0.75s;
}
.info .close {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  margin-top: 10px;
  text-align: center;
  width: 80px;
  height: 28px;
  line-height: 28px;
  border-radius: 15px;
  font-size: 14px;
  color: #fff;
  background-color: rgba(0, 0, 0, 0.4);
  transition: all 0.3s;
}
.info .close:hover {
  background-color: #999;
}
.mask {
  display: none;
  position: absolute;
  z-index: 999;
  top: 0;
  width: 100%;
  height: 100%;
  line-height: 40px;
  text-align: center;
  color: #fff;
  background-color: rgba(0, 0, 0, 0.6);
}
.mask h4 {
  margin: 100px 0 120px;
  font-size: 40px;
  color: #ff4500;
  text-shadow: 3px 3px 0 #fff;
}
.mask button {
  position: absolute;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  width: 150px;
  height: 40px;
  line-height: 35px;
  font-size: 25px;
  border: 0;
  color: #fff;
  background: linear-gradient(#74accf, #007ddc);
  border-radius: 20px;
  cursor: pointer;
}
.mask .end {
  position: absolute;
  color: #fff;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  transition: all 0.3s;
}
.mask .end:hover {
  text-decoration: underline;
  color: #ff4500;
}
